CROWN PRINCE'S CONCUBINE - Chapter 66

Okay, so I know I applied to become a caretaker, but I didn't sign up for having to experience all these crazy things! I'm just a simple guy!

James, a brilliant mechanical engineer and passionate history enthusiast, loses his life in a tragic house fire—only to find himself in a mysterious world as the ruler of an island nation. Armed with his modern knowledge and unwavering ambition, James embarks on a bold mission to industrialize his kingdom and build an empire on which the sun never sets.

The demon Sang Jiuchi woke up from a seal and found that he was bound to the Quick Transmigration system, and the characters he took over were all without exception, the worst villains.

Blackmailing the top streamer but ended up killing his own despicable tech genius…

The vicious true young master who framed the fake young master but suffered the consequences…

The murderous master who humiliated his apprentice but was killed…

The sinister mermaid who seduced the general and was slaughtered…

The hypocritical pope who deceived people and was burned at the stake…

- Description from Novelupdates

In his last life, he was a superstar that dominated the entertainment circle. In this life, he is a rebellious second generation wastrel.